Consider the following cell reaction: . The value of at . If , the standard entropy change in is . (Nearest integer) [Faraday constant ]

Question

Consider the following cell reaction: . The value of  at . If , the standard entropy change  in  is . (Nearest integer) [Faraday constant ]

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Strategy:
 Calculate the equilibrium constant () from the standard cell potential using . Balance the redox reaction to find .

Step 1: Balance and find 
Reaction: 
-  (Reduction, )
-  (Oxidation, )
.

Step 2: Calculate  and

Using provided answer context .

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